JiXieShi a1524a7e17 refactor: extract internal/session and eliminate I/O globals ...

Move serial port, trzsz filter, and pipe lifecycle into
internal/session.SerialSession. Replace 8 global I/O vars
(serialPort, trzszFilter, stdinPipe, stdoutPipe, clientIn,
clientOut, termch, termchOnce) with single sess variable.
Delete utils.go.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

2026-05-23 21:49:43 +08:00

..

session.go

refactor: extract internal/session and eliminate I/O globals

2026-05-23 21:49:43 +08:00